Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB5axxmdfSqg4+SvkI2mTQwcqM8bXnbDVBOCsAVDlbojzqF1GlLdwSxpqpZ… (844 chars)"
  }
}